Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837514 | Valve structure of shock absorber | Kazuyuki KIMISHIMA, Hideki Yamada, Kenji Hibi, Koji Kawamura | 2020-11-17 |
| 9694638 | Spring rubber seat and strut-type suspension | Takao Nagasawa | 2017-07-04 |